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Standard XI
Chemistry
Application of Radioactivity
Food irradiat...
Question
Food irradiation is used to
A
precook food
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B
kill insects
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C
kill micro-organisms
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D
increase nutrient value
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Solution
The correct option is
C
kill micro-organisms
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Similar questions
Q.
Fill up the blanks.
One of the best Radioisotopes used in the food irradiation is __________.
Q.
Complete the following statements by using the correct option from those given below.
(Irradiation, dehydration, pasteurization, natural, chemical)
(a) Drying the food grains from farms under the hot sun is called .......... .
(b) Materials like milk are instantly cooled after heating up to a certain high temperature. This method of food preservation is called .......... .
(c) Salt is a .......... type of food preservative.
(d) Vinegar is a .......... type of food preservative.
Q.
Q. With reference to the food irradiation, which of the following statements is/are correct?
1. It increases the safety and shelf life of the food materials.
2. It gives distinct flavour and taste to the food materials under treatment.
3. Use of radioactive waves for irradiation of food materials is banned in India.
Select the correct answer using the code given below:
Q. खाद्य विकिरण के संदर्भ में, निम्नलिखित में से कौन सा कथन सही है / हैं?
1. यह खाद्य सामग्री की सुरक्षा और शेल्फ जीवन को बढ़ाता है।
2. यह उपचार के तहत खाद्य सामग्री को विशिष्ट महक और स्वाद प्रदान करता है।
3. भारत में खाद्य पदार्थों पर विकिरण के लिए रेडियोधर्मी तरंगों के उपयोग पर प्रतिबंध है।
नीचे दिए गए कूट का उपयोग करके सही उत्तर चुनें:
Q.
There have been certain objectives against food preservation by irradiations. These are:
Q.
In the irradiation method of food protection, which of the following changes are seen in food:
(1) Microbes, fungus, and insects are destroyed.
(2) Ripening period of fruit increases
(3) The sprouting process becomes slow down.
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